Original Research

The construct equivalence and item bias of the pib/SpEEx conceptualisation-ability test for members of five language groups in South Africa

Pieter Schaap, Theresa Vermeulen
SA Journal of Industrial Psychology | Vol 34, No 3 | a749 | DOI: https://doi.org/10.4102/sajip.v34i3.749 | © 2008 Pieter Schaap, Theresa Vermeulen | This work is licensed under CC Attribution 4.0
Submitted: 12 September 2008 | Published: 18 November 2008

About the author(s)

Pieter Schaap, University of Pretoria, South Africa
Theresa Vermeulen, Student at University of Pretoria, South Africa

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Abstract

This study’s objective was to determine whether the Potential Index Batteries/Situation Specific Evaluation Expert (PIB/SpEEx) conceptualisation (100) ability test displays construct equivalence and item bias for members of five selected language groups in South Africa. The sample consisted of a non-probability convenience sample (N = 6 261) of members of five language groups (speakers of Afrikaans, English, North Sotho, Setswana and isiZulu) working in the medical and beverage industries or studying at higher-educational institutions. Exploratory factor analysis with target rotations confrmed the PIB/SpEEx 100’s construct equivalence for the respondents from these five language groups. No evidence of either uniform or non-uniform item bias of practical signifcance was found for the sample.

Keywords

Abstract reasoning; psychological instruments; cross-cultural fairness; item bias; test bias

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